Finding the Fourth Proportional to 1,706.41, 2,560.61 and 976.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,706.41 : 2,560.61 = 976.50 : x
2. Step 2: Convert to fraction form
   1,706.41/2,560.61 = 976.50/x
3. Step 3: Cross multiply
   1,706.41x = 2,560.61 × 976.50
4. Step 4: Simplify right side
   1,706.41x = 2,500,435.67
5. Step 5: Solve for x
   x = 2,500,435.67/1,706.41
6. Step 6: Final answer
   x = 1,465.32